Issue 6, 2018

Photochemical investigation of cyanoazobenzene derivatives as components of artificial supramolecular pumps

Abstract

Among the plethora of photochromes reported so far, azobenzene has been proven to be the most suitable photoswitch for molecular systems and materials, due to its highly efficient and clean EZ photoisomerization. Here we report two ammonium-based molecular axles bearing one or two p-cyanoazobenzene units at the extremities, able to form pseudorotaxanes with a crown ether macrocycle. The photochemistry of these compounds was studied in the isolated forms and in the pseudorotaxanes, showing that the functionalization speeds up the threading process without affecting the photochemical properties of the system. These results suggest that the investigated pseudorotaxanes can form the basis of new prototypes of artificial molecular-level pumps.

Graphical abstract: Photochemical investigation of cyanoazobenzene derivatives as components of artificial supramolecular pumps

Article information

Article type
Paper
Submitted
23 جمادى الأولى 1439
Accepted
28 جمادى الثانية 1439
First published
17 شعبان 1439

Photochem. Photobiol. Sci., 2018,17, 734-740

Photochemical investigation of cyanoazobenzene derivatives as components of artificial supramolecular pumps

L. Casimiro, J. Groppi, M. Baroncini, M. La Rosa, A. Credi and S. Silvi, Photochem. Photobiol. Sci., 2018, 17, 734 DOI: 10.1039/C8PP00062J

To request permission to reproduce material from this article, please go to the Copyright Clearance Center request page.

If you are an author contributing to an RSC publication, you do not need to request permission provided correct acknowledgement is given.

If you are the author of this article, you do not need to request permission to reproduce figures and diagrams provided correct acknowledgement is given. If you want to reproduce the whole article in a third-party publication (excluding your thesis/dissertation for which permission is not required) please go to the Copyright Clearance Center request page.

Read more about how to correctly acknowledge RSC content.

Spotlight

Advertisements